Booster seat



FIG. 1 is a first perspective view of a booster seat according to the design.

FIG. 2 is a second perspective view of the booster seat of FIG. 1.

FIG. 3 is a front view of the booster seat of FIG. 1.

FIG. 4 is a back view of the booster seat of FIG. 1.

FIG. 5 is a first side view of the booster seat of FIG. 1.

FIG. 6 is a second side view of the booster seat of FIG. 1.

FIG. 7 is a top view of the booster seat of FIG. 1; and,

FIG. 8 is a bottom view of the booster seat of FIG. 1.

The broken line portion of the figure drawings is included to show portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a booster seat, substantially as shown and described. 